Questions tagged [macroeconomics]

Macroeconomics is a branch of economics dealing with the aggregate economy as a whole, rather than individual markets.

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37 views

By buying stocks, am I as an individual measurably affecting the economy?

I know that participating in an IPO is directly helping the company, because my money is going straight into their bank account. I know that the stock market as a whole has an effect on the economy. ...
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Why does an increasing demand for dollars lead to the depreciation of a currency?

I am self studying some slides of a course on monetary economics. The source of the slides is Pilbeam, chapter 11 on the mechanism of the Bretton Woods system. I don't understand the following ...
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Can we consider a supermarket as a market?

Good morning, I have been reading a book in which the author said that "the supermarket is not a market, because despit the large number of buyers, the seller is unique". So, I've been wondering ...
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Money demand in QTM

What is the different between Classical,Long Run and Short run quantity theory of money(QTM)? I have read that the transaction demand for money(Mt)is defined as kPY, where k=1/velocity of circulation....
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Constancy of current value Hamiltonian and numeric computations

I am playing with a simple, continuous time optimal growth problem to learn optimal control. The social planner chooses $c_t$ to maximize: $$\int_0^\infty e^{-\rho t}u(c_t)dt$$ where $$\dot k_t=f(k_t)-...
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Derivation of the elasticity of substitution of a general production function with labor-augmenting technological progress

I am following and trying to fully understand a famous and interesting work of Bentolila and Saint-paul (2003). They try to explain movements of the factor's share in terms of a relationship between ...
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25 views

Would saving money outside of banking system be able to reduce monetary base?

First of all, here is definition of monetary base taken from Investopedia A monetary base is the total amount of a currency that is either in general circulation in the hands of the public or in ...
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Implications for Labour after a Productivity Shock, RBC Model

I am trying to understand the implication for labour after a one time productivity shock where $A_t$ follows a AR (1) process with persistence $\rho_A=0.95$. It is stated the following : labour ...
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Constant Elasticity of Substitution (non-special cases)

I am trying to better understand the CES function: $$Y_{t}=C\left[\pi\left(A_{t}^{K} K_{t}\right)^{\frac{\sigma-1}{\sigma}}+(1-\pi)\left(A_{t}^{L} L_{t}\right)^{\frac{\sigma-1}{\sigma}}\right]^{\frac{...
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When do we have diminishing marginal returns to labor?

When we have a production function exhibiting constant returns to scale, with only labor and technology, why don't we have any diminishing marginal returns to labor?
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What would happen if the U.S. “refinanced” its national debt?

Interest rates are at historical lows. I believe they went negative in parts of Europe recently. Since interest on the national debt is one of the biggest, if not the biggest, expense item of the U.S. ...
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Wage Growth Rate in the R&D Model

I am trying to understand the R&D model and how to calculate the growth rate of wage in this model. There is no equation given, but it’s stated that : household income must equal total ...
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Trying to understanding Mark Blyth’s statement about Keynes

I am reading a book called "Austerity, the history of a dangerous idea" written by Mark Blyth. While talking about Keynes, the author writes: "he [Keynes] showed that although any worker can ...
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1answer
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Why would a low wage country affect negatively the high wages of a country with trading?

I was reading a book that asked this question. "Does trade with low-wage countries depress wage rates in high-wage countries?"Why did they mention specifically low-high wages countries?
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Inflation vs GDP growth as factors driving down the US debt-to-GDP ration post-WW2

I'm trying to figure out how much inflation (vs GDP growth) shrank the debt-to-GDP ratio (in the decade or so) post-WW2 in the US. I found one paper that says: In 1946, the debt ratio was 108.6 ...
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1answer
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What is a what is meant by a “workhorse” macroeconomic model

A number of times ive seen the Neoclassical Growth Model and Overlapping Generation Model setups referred to as a "workhorse of modern macroeconomics". What does this mean exactly?
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How does a subsidy affect the No-Shirking Condition for the Shapiro-Stiglitz model?

The subsidy, s is given such that the wage workers receive will be (1+s)w , while firms still pay w. My understanding is that since NSC is independent of subsidies, the required wage for workers to ...
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How to calculate fiscal space for a country?

I would greatly appreciate if you could explain me how to calculate fiscal space for an specific country. Or, could you please introduce me some references which explain it's calculation step by step ...
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Ramsey Model and Transversality Condition

I am trying to understand the intuitive interpretation of the TVC. I have two expressions from two different household optimisation problems that should be actually similar or equal intuitively as ...
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1answer
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What is the difference between a perfect foresight equilibrium and a rational expections equilibrium?

What is the difference between a perfect foresight equilibrium and a rational expections equilibrium? Why is it the same in case of a non-stochastic model? Can there be a perfect foresight ...
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26 views

How to define world interest rate using IS-LM-BP diagram?

Can you suggest where is the world interest rate in the economy which has a positive current account and a financial account surplus, fixed exchange rate and relative capital immobility? The graph of ...
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1answer
29 views

Assumptions in GDP calculation

The standard approaches for calculating GDP are: $$ \text{GDP} = \text{Consumer Spending + Capital Investments + Govt. Spending + Net Exports} $$ And $$ \text{GDP} = \text{Total wages + Profits + ...
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How can I add fixed-effect constant variable in Stata?

I want to test a model like this: alpha denotes full set of country fixed effects and delta denotes full set of year fixed effects in the article in which this model is used. My model is similar to ...
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Bayesian Lasso Standardized Variables Coefficient Interpertability

I am attempting to duplicate Belmonte et al. 2014. The paper applies a Bayesian Lasso to state space models to get better out of sample prediction. Bitto et al 2019 expands on this model. Their ...
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Impact of public expenditure on income

In the context of the ongoing global pandemic crisis, within the framework of the simple Keynesian model and the IS-LM model, what is expected to happen to the impact of public expenditure on income, ...
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Economics of Justifying N95 masks and Mass COVID testing [closed]

The US has shutdown a significant fraction of its economy because of COVID-19. Eventually we will all migrate in a pre-COVID direction. Obviously, too fast would be a medical disaster, too slow ...
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Why does Ricardian Equivalence not hold when there are different borrowing and lending rates on the market?

If you can propose any explanation (intuitive, graphical or algebraic), I will appreciate it
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How does a mortgage-backed security issued by a bank allows it to borrow cheaper and make more loans?

I am currently reading a book called "Austerity, the history of a dangerous idea" by Mike Blythe. I am not an economist, but I am interested to learn more. Blythe writes (p.24): "The old 3-6-3 ...
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Positive productivity shock with a fall in output

I am modeling a two-country world. Within each country there exists a representative infinitely-lived agent, a representative final good producer, a continuum of domestic monopolistic competitive ...
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How does interest rates impact investment

How does a decrease in interest rates decrease investment rates? This is how I believe a liquidity trap works, not sure if it is correct. Thank you
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Imports/Exports in the equation of exchange

From the equation of exchange: $MV=PY$, where $M$ is the money aggregate, $Y$ is the real output, $P$ is the price level and $V$ is the velocity of money, we derive $\% \Delta M + \% \Delta V = ...
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Does “I” in Y = C + I + G + X - IM refer to the domestic investment?

We know the national income identity: $Y = C + I + G + X - IM$. From many resourses, $I$ refers to domestic investment. For example in this link: https://opentextbc.ca/principlesofeconomics/chapter/...
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New Keynesian Model Output Gap and Calibration

I am trying to solve following problem regarding the New Keynesian Model: So, I have calculated following equations by using the Taylor Rule, Phillips Curve and IS Curve: $$\pi=\frac{\kappa\phi_y}{(1-...
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Why was the price of gold lower when gold confiscation act was issued but raised afterwards?

I was reading up on the gold reserve act which made it illegal for US citizens to own gold with some minor exceptions. According to the gold confiscation act which was issued before the gold reserve ...
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What are economics effects of new, larger wave of locusts in Africa on North Americans?

The second wave of locusts has come to Africa. Weeks before the coronavirus spread through much of the world, parts of Africa were already threatened by another kind of plague, the biggest locust ...
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12 views

What's Term Auction Facility and how does it address the liquidity problem

I have read https://en.wikipedia.org/wiki/Term_auction_facility and https://www.investopedia.com/terms/t/term-auction-facility.asp Under the program the Fed auctions collateralized loans with terms ...
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Industries that thrive in crisis like COVID 19

I am aware that some industries thrive during crisis times like COVID 19...Food supplies, medical, counselling, funeral services, liquor etc. Are there any other industries that may do well during ...
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1answer
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How new money flow work in country?

I want to find out how money flow works in the country. Imagine I leave in country X. Country has 100$ in general, 50 dollars have a government, 50 dollars have peoples. My part is 10 dollars, this ...
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1answer
34 views

Log linearising EUler equation

I am trying to solve a problem that asks to log linearise following Euler equation of the New Keynesian model: $$C^{-\sigma}_t=\beta E_tC^{-\sigma}_{t+1}(1+i_t)/(1+\pi_{t+1}).$$ The solution is ...
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1answer
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Why is the velocity of money in an economy affected by the frequency in which the worker is paid (like weekly, bi-weekly, monthly, etc.)?

I don't have any economics background, and was going though a course on Macroeconomics. I was solving the practice question here: https://mru.org/practice-questions/causes-inflation-practice-questions?...
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Do (any) governments or central banks have an explicit or econometrically probable policy to “prop up” stock market prices?

This assumption (that governments [in the a broad sense of the term] prop up stock prices deliberately) has been taken as a given/assumption in another question here. Is there evidence that they ...
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21 views

How to derive and draw phase diagrams: Ramsey-Cass Koopmans model

I am confused by how to construct phase diagrams. For instance, I have been given the following two equations from the Ramsey model: \begin{align*} \frac{\dot C}{C}=&\frac{1}{\gamma} (F_K(K) - \...
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1answer
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Effect of a depreciation on foreign interest rate?

According to the interest rate parity condition , if there is a depreciation of the domestic exchange rate, then the domestic interest rate will increase and the foreign interest rate will decrease. ...
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Elasticity of substitution, marginal rate of substitution and price ratio

so there is a problem I do not know how to tackle: The is an utility maximisation problem and the solution to the Lagrangian leads to:$$\frac{C_1}{C_2}=(1+\rho)^\frac{1}{\sigma}(\frac{P_1}{P_2})^\...
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1answer
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What are the effects of a 12 month sudden stop/shutdown of a capitalistic economy like the US? [closed]

Consider a scenario where consumer confidence remains low until a virus such as COVID-19 is contained. In this scenario, containment is defined as being achieved once a vaccine is manufactured and ...
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Net exports term in aggregate expenditure [duplicate]

This might be a basic question, which I don't yet understand. The aggregate expenditure (i.e., in my understanding, the total amount of inflation factored (i.e. real) money spent in the economy by its ...
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1answer
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Endogenous Growth in the case of externalities (Learning by doing)

so for the Learning by doing model productivity is defined as $$A_t=BK_t$$. Inserting this into the optimum conditions leads us to the following:$$r_t=\alpha BL^{1-\alpha}$$ and $$w_t=(1-\alpha)B^{1-\...
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How does identical capital-output ratios imply identical rental prices of capital?

In the context of the Solow model, I need to show that if two countries have the same capital output ratio then they have the same rental prices of capital (they have same production functions). I ...
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Ramsey Model Market Clearing Condition

I have a problem understanding the market clearing condition for aggregated equilibrium in the Ramsey model. Market clearing implies that all resources are used up, hence: $Y_t=C_t+I_t$ , where $Y_t$ ...
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1answer
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Universal basic loan

I'm looking for feedback and critiques of an idea. Universal basic income is an increasingly popular idea, but most agree that it would be terrifically expensive. Assuming that the goal of UBI is to ...

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